high-frequency broadcasting
101Power line communication — or power line carrier (PLC), also known as power line digital subscriber line (PDSL), mains communication, power line telecom (PLT), power line networking (PLN), or broadband over power lines (BPL) are systems for carrying data on a conductor… …
102Irish pirate radio — Pirate radio in Ireland has had a long history, with hundreds of stations having operated from within the country. Due to past lax enforcement of the rules, the lack of commercial radio until 1989, and the small physical size of the country,… …
103FM broadcast band — The FM broadcast band, used for FM broadcast radio by radio stations, differs between different parts of the world. In Europe and Africa (ITU region 1), it spans from 87.5 to 108.0 megahertz (MHz), while in America (ITU region 2) it goes only… …
104Microwave transmission — The atmospheric attenuation of microwaves in dry air with a precipitable water vapor level of 0.001 mm. The downward spikes in the graph correspond to frequencies at which microwaves are absorbed more strongly, such as by oxygen molecules… …
105Multiple sub-Nyquist sampling encoding — MUSE (Multiple sub Nyquist sampling encoding), was a dot interlaced digital video compression system that used analog modulation for transmission to deliver 1125 line high definition video signals to the home. Japan had the earliest working HDTV… …
106Compact Cassette — A TDK D C60 cassette, a common speech quality tape with a 60 minute playing time, in a housing similar to that of the original Compact Cassette specification …
107Wardenclyffe Tower — (1901 ndash; 1917) also known as the Tesla Tower, was an early wireless telecommunications aerial tower designed by Nikola Tesla and intended for commercial trans Atlantic wireless telephony, broadcasting, and to demonstrate the transmission of… …
108Nathan Stubblefield — Nathan B. Stubblefield (November 22, 1860 March 28, 1928) was an American inventor and Kentucky melon farmer. It has been claimed that Stubblefield invented the radio before either Nikola Tesla or Guglielmo Marconi, but his devices seem to have… …
109Edwin Howard Armstrong — Edwin H. Armstrong Developed and advanced the utility of FM technology. Born December 18, 1890(1890 12 18) New York, New York U.S …
110Microwave — This article is about the electromagnetic wave. For the cooking appliance, see Microwave oven. For other uses, see Microwaves (disambiguation). A microwave telecommunications tower on Wrights Hill in Wellington, New Zealand Microwaves, a subset… …
